| 2025/0041,971 | LOCALIZED MULTIPLE BEAMED LASER PEENING OF CONNECTING ROD | Jul 31, 23 | Feb 06, 25 | Not available |
| 2024/0218,889 | FLUID PRESSURE CYLINDER | Apr 25, 22 | Jul 04, 24 | KYB Corporation |
| 2024/0035,496 | PISTON UNIT OF A WORKING CYLINDER | Dec 07, 21 | Feb 01, 24 | Not available |
| 2023/0166,706 | PUMP ASSEMBLY, IN PARTICULAR FOR GENERATING PRESSURE IN A BRAKE CIRCUIT OF A CONTROLLABLE POWER BRAKE SYSTEM OF A MOTOR VEHICLE | Oct 13, 22 | Jun 01, 23 | Not available |
| 2022/0260,011 | SINGLE AIR SUPPLY USING HOLLOW PISTON ROD | May 04, 22 | Aug 18, 22 | Aquarius Engines (A.M.) Ltd. |
| 2021/0010,594 | PISTON MADE OF CERAMIC MATERIAL | Mar 14, 19 | Jan 14, 21 | Annovi Reverberi S.p.A |
| 2020/0355,139 | ENGINE PISTON AND METHOD FOR MANUFACTURING THE SAME | Apr 27, 20 | Nov 12, 20 | Not available |
| 2020/0056,480 | ENGINE WITH WORK STROKE AND GAS EXCHANGE THROUGH PISTON ROD | Sep 27, 19 | Feb 20, 20 | Aquarius Engines (A.M.) Ltd. |
| 2017/0175,891 | LIGHT COMPOSITE PISTON | Mar 03, 17 | Jun 22, 17 | Not available |
| 2017/0175,892 | PISTON ROD CLAMPING SYSTEM | Mar 03, 17 | Jun 22, 17 | Not available |
| 2017/0102,012 | HYBRID METALLIC/COMPOSITE PISTON HEAD JOINT | Oct 13, 15 | Apr 13, 17 | GOODRICH CORPORATION |
| 2017/0102,013 | SINGLE ACTING HYDRAULIC CYLINDER | Oct 11, 16 | Apr 13, 17 | Wallmek i Kungälv AB, Wallmek i Kungälv AB, |
| 2017/0009,882 | PISTON DEVICE, METHOD FOR THE PRODUCTION OF SUCH A PISTON DEVICE AND PISTON CYLINDER UNIT COMPRISING SUCH A PISTON DEVICE | Jul 07, 16 | Jan 12, 17 | SUSPA GMBH |
| 2016/0272,304 | Composite Actuator Rod End Assembly | Mar 20, 15 | Sep 22, 16 | GOODRICH CORPORATION |
| 2016/0223,083 | PISTON ASSEMBLY | Dec 07, 15 | Aug 04, 16 | DRESSER-RAND COMPANY |
| 2016/0061,327 | Cylinder Assembly | Nov 06, 15 | Mar 03, 16 | GOMACO Corporation |
| 2016/0025,218 | Floating Piston | Jul 21, 15 | Jan 28, 16 | SPX FLOW, INC. |
| 2015/0224,610 | CAULKING METHOD FOR PREVENTING PISTON OF HYDRAULIC/PNEUMATIC CYLINDER FROM BEING LOOSENED | Sep 24, 12 | Aug 13, 15 | VOLVO CONSTRUCTION EQUIPMENT AB |
| 2015/0226,326 | Piston unit of a working cylinder | Sep 19, 13 | Aug 13, 15 | BUEMACH ENGINEERING INTERNATIONAL B.V., Bümach Engineering International B.V., |
| 2015/0114,220 | PISTON-CYLINDER UNIT WITH EVALUATION UNIT FOR DETERMINING THE PISTON POSITION | Oct 31, 14 | Apr 30, 15 | LIEBHERR-ELEKTRONIK GMBH |